Global Patent Index - EP 4140969 A1

EP 4140969 A1 20230301 - POWDERED COMPOUND FOR THE MODIFICATION OF INORGANIC CEMENT MIXTURES FOR THE LODGING OF NON-BALLASTED REINFORCEMENT SYSTEMS

Title (en)

POWDERED COMPOUND FOR THE MODIFICATION OF INORGANIC CEMENT MIXTURES FOR THE LODGING OF NON-BALLASTED REINFORCEMENT SYSTEMS

Title (de)

PULVERVERBINDUNG ZUR MODIFIKATION VON ANORGANISCHEN ZEMENTMISCHUNGEN ZUR VERANKERUNG VON BALLASTFREIEN BEWEHRUNGSSYSTEMEN

Title (fr)

COMPOSÉ EN POUDRE POUR LA MODIFICATION DE MÉLANGES DE CIMENT INORGANIQUE POUR LE LOGEMENT DE SYSTÈMES D'ARMATURE NON LESTÉS

Publication

EP 4140969 A1 20230301 (EN)

Application

EP 22192331 A 20220826

Priority

IT 202100022379 A 20210826

Abstract (en)

The present invention relates to a composition to be used as an additive for mortars, preferably for mortars for the bedding of railway platforms, preferably ballastless railway platforms. The present invention also relates to a mortar obtained by mixing said composition with water, polymeric fibres, aggregates and cement or a premixed mortar to be rehydrated comprising said composition, polymeric fibres, aggregates and cement, to which water is added at the time of use. The subject matter of the present invention also relates to a cementitious conglomerate obtained from the mortar of the invention, once hardened.

IPC 8 full level

C04B 40/00 (2006.01); C04B 28/16 (2006.01); C04B 111/20 (2006.01); C04B 111/27 (2006.01); C04B 111/34 (2006.01); C04B 111/70 (2006.01)

CPC (source: EP)

C04B 28/16 (2013.01); C04B 40/0042 (2013.01); C04B 2111/20 (2013.01); C04B 2111/27 (2013.01); C04B 2111/29 (2013.01); C04B 2111/34 (2013.01); C04B 2111/70 (2013.01); Y02W 30/91 (2015.05)

C-Set (source: EP)

  1. C04B 40/0042 + C04B 12/005 + C04B 14/28 + C04B 18/08 + C04B 18/141 + C04B 18/146 + C04B 22/008 + C04B 22/143 + C04B 38/02 + C04B 2103/0088 + C04B 2103/10 + C04B 2103/20 + C04B 2103/32 + C04B 2103/44 + C04B 2103/50 + C04B 2103/58
  2. C04B 40/0042 + C04B 7/323 + C04B 12/005 + C04B 14/28 + C04B 14/304 + C04B 16/08 + C04B 18/08 + C04B 18/141 + C04B 18/146 + C04B 22/064 + C04B 22/10 + C04B 22/143 + C04B 22/143 + C04B 22/16 + C04B 24/02 + C04B 24/06 + C04B 24/16 + C04B 24/18 + C04B 24/2647 + C04B 24/38 + C04B 24/42 + C04B 38/08 + C04B 2103/0088 + C04B 2103/40
  3. C04B 28/16 + C04B 7/02 + C04B 7/323 + C04B 7/323 + C04B 12/005 + C04B 14/06 + C04B 14/12 + C04B 14/22 + C04B 14/28 + C04B 14/304 + C04B 16/06 + C04B 16/08 + C04B 18/08 + C04B 18/141 + C04B 18/146 + C04B 22/064 + C04B 22/10 + C04B 22/143 + C04B 22/143 + C04B 22/16 + C04B 24/02 + C04B 24/06 + C04B 24/16 + C04B 24/18 + C04B 24/2647 + C04B 24/38 + C04B 24/42 + C04B 38/08 + C04B 2103/0088 + C04B 2103/40

Citation (applicant)

CN 102503324 A 20120620 - BEIJING NEW ZHONGYAN BUILDING MATERIALS TECHNOLOGY CO LTD, et al

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4140969 A1 20230301; IT 202100022379 A1 20230226

DOCDB simple family (application)

EP 22192331 A 20220826; IT 202100022379 A 20210826